Project hopeful, no will power

[bashbarnard]

So after a fairly horrible couple of days of not driving my 2.1 and missing it. I decided that i couldn't go back to idi. So i went out and purchased a hdi estate..........



To strip immediately and put in my car. I was going to keep this quite until it was done and just turn up on here one day with a stage 3 build. However it turns out that even stubborn old me needs help. After speaking to various people about it and a bit of research i quickly realised that i couldn't get injectors to go mtdi effectively enough for my liking. So i gave in and thought an ecu has got to happen!!

Now i bought the car with 2 weeks left of test on and it is an absolute dog. But the engine ran and was sold as spares or repairs due to a vauge. "injection fault". After a quick message to toms306 i had him over this morning with pug planet and the low pressure pump is the issue. Which im upgrading anyway. We started to strip the car down ready to pull engine out to be transplanted into the now empty 2.1 shell.

Here is here the problems begin. Hdi to xud is absolutely fine as minimal wiring is needed. Xud to hdi on the other hand does not seem so simple so im going to have to dig a wiring diagram out.

The one issue i have at this time is i have no idea. Literally no idea what this connector does up behind the ecu. It seems to go into part of the harness that does not exist on an xud.

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This one.